Title
A Note on Natural Extensions in Abstract Algebraic Logic
Abstract
Transfer theorems are central results in abstract algebraic logic that allow to generalize properties of the lattice of theories of a logic to any algebraic model and its lattice of filters. Their proofs sometimes require the existence of a natural extension of the logic to a bigger set of variables. Constructions of such extensions have been proposed in particular settings in the literature. In this paper we show that these constructions need not always work and propose a wider setting (including all finitary logics and those with countable language) in which they can still be used.
Year
DOI
Venue
2015
10.1007/s11225-014-9594-8
Studia Logica
Keywords
Field
DocType
Abstract algebraic logic,Consequence relations,Natural extensions,Transfer theorems
Algebraic sentence,Discrete mathematics,Algebra,Abstract model theory,Algebraic logic,Substructural logic,Classical logic,Abstract algebraic logic,Higher-order logic,Mathematics,Intermediate logic
Journal
Volume
Issue
ISSN
103
4
0039-3215
Citations 
PageRank 
References 
3
0.52
5
Authors
2
Name
Order
Citations
PageRank
Petr Cintula160150.37
Carles Noguera246233.93